diff options
Diffstat (limited to 'lib/Target/Sparc/Disassembler/SparcDisassembler.cpp')
| -rw-r--r-- | lib/Target/Sparc/Disassembler/SparcDisassembler.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/Target/Sparc/Disassembler/SparcDisassembler.cpp b/lib/Target/Sparc/Disassembler/SparcDisassembler.cpp index 3e56b9e9b883..51751ec511c9 100644 --- a/lib/Target/Sparc/Disassembler/SparcDisassembler.cpp +++ b/lib/Target/Sparc/Disassembler/SparcDisassembler.cpp @@ -117,6 +117,19 @@ static const unsigned ASRRegDecoderTable[] = { SP::ASR24, SP::ASR25, SP::ASR26, SP::ASR27, SP::ASR28, SP::ASR29, SP::ASR30, SP::ASR31}; +static const unsigned PRRegDecoderTable[] = { + SP::TPC, SP::TNPC, SP::TSTATE, SP::TT, SP::TICK, SP::TBA, SP::PSTATE, + SP::TL, SP::PIL, SP::CWP, SP::CANSAVE, SP::CANRESTORE, SP::CLEANWIN, + SP::OTHERWIN, SP::WSTATE +}; + +static const uint16_t IntPairDecoderTable[] = { + SP::G0_G1, SP::G2_G3, SP::G4_G5, SP::G6_G7, + SP::O0_O1, SP::O2_O3, SP::O4_O5, SP::O6_O7, + SP::L0_L1, SP::L2_L3, SP::L4_L5, SP::L6_L7, + SP::I0_I1, SP::I2_I3, SP::I4_I5, SP::I6_I7, +}; + static DecodeStatus DecodeIntRegsRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address, @@ -196,9 +209,34 @@ static DecodeStatus DecodeASRRegsRegisterClass(MCInst &Inst, unsigned RegNo, return MCDisassembler::Success; } +static DecodeStatus DecodePRRegsRegisterClass(MCInst &Inst, unsigned RegNo, + uint64_t Address, + const void *Decoder) { + if (RegNo >= array_lengthof(PRRegDecoderTable)) + return MCDisassembler::Fail; + Inst.addOperand(MCOperand::createReg(PRRegDecoderTable[RegNo])); + return MCDisassembler::Success; +} + +static DecodeStatus DecodeIntPairRegisterClass(MCInst &Inst, unsigned RegNo, + uint64_t Address, const void *Decoder) { + DecodeStatus S = MCDisassembler::Success; + + if (RegNo > 31) + return MCDisassembler::Fail; + + if ((RegNo & 1)) + S = MCDisassembler::SoftFail; + + unsigned RegisterPair = IntPairDecoderTable[RegNo/2]; + Inst.addOperand(MCOperand::createReg(RegisterPair)); + return S; +} static DecodeStatus DecodeLoadInt(MCInst &Inst, unsigned insn, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeLoadIntPair(MCInst &Inst, unsigned insn, uint64_t Address, + const void *Decoder); static DecodeStatus DecodeLoadFP(MCInst &Inst, unsigned insn, uint64_t Address, const void *Decoder); static DecodeStatus DecodeLoadDFP(MCInst &Inst, unsigned insn, uint64_t Address, @@ -207,6 +245,8 @@ static DecodeStatus DecodeLoadQFP(MCInst &Inst, unsigned insn, uint64_t Address, const void *Decoder); static DecodeStatus DecodeStoreInt(MCInst &Inst, unsigned insn, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeStoreIntPair(MCInst &Inst, unsigned insn, + uint64_t Address, const void *Decoder); static DecodeStatus DecodeStoreFP(MCInst &Inst, unsigned insn, uint64_t Address, const void *Decoder); static DecodeStatus DecodeStoreDFP(MCInst &Inst, unsigned insn, @@ -326,6 +366,12 @@ static DecodeStatus DecodeLoadInt(MCInst &Inst, unsigned insn, uint64_t Address, DecodeIntRegsRegisterClass); } +static DecodeStatus DecodeLoadIntPair(MCInst &Inst, unsigned insn, uint64_t Address, + const void *Decoder) { + return DecodeMem(Inst, insn, Address, Decoder, true, + DecodeIntPairRegisterClass); +} + static DecodeStatus DecodeLoadFP(MCInst &Inst, unsigned insn, uint64_t Address, const void *Decoder) { return DecodeMem(Inst, insn, Address, Decoder, true, @@ -350,6 +396,12 @@ static DecodeStatus DecodeStoreInt(MCInst &Inst, unsigned insn, DecodeIntRegsRegisterClass); } +static DecodeStatus DecodeStoreIntPair(MCInst &Inst, unsigned insn, + uint64_t Address, const void *Decoder) { + return DecodeMem(Inst, insn, Address, Decoder, false, + DecodeIntPairRegisterClass); +} + static DecodeStatus DecodeStoreFP(MCInst &Inst, unsigned insn, uint64_t Address, const void *Decoder) { return DecodeMem(Inst, insn, Address, Decoder, false, |